This document contains final regulations under section 3121(v)(2) of the Internal Revenue Code (Code) that provide guidance as to when amounts deferred under or paid from a nonqualified deferred compensation plan are taken into account as wages for purposes of the employment taxes imposed by the Federal Insurance Contributions Act (FICA). Section 3121(v)(2), relating to treatment of certain nonqualified deferred compensation, was added to the Code by section 324 of the Social Security Amendments of 1983. These regulations provide guidance to employers who maintain nonqualified deferred compensation plans and to participants in those plans.